Abstract：
:Triple-doped (Yb(3+)/Er(3+)/Tm(3+)) KMnF3 nanocubes with uniform sizes of 250 nm were synthesized by a facile hydrothermal route using the oleic acid as the capping agent. It was found that these nanocubes can simultaneously exhibited four-color (blue, green, red and NIR) upconversion emissions under a single 980 nm near-infrared (NIR) laser excitation, which should have potential multicolor in vivo imaging applications. Specifically, the red (660 nm) and NIR (800 nm) peaks, known as two "optical windows" for imaging biological tissues, were strong. The spectral and pump analyses indicated the two-photon processes were responsible for the both red and NIR emissions.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wang H,Hong X,Han R,Shi J,Liu Z,Liu S,Wang Y,Gan Ydoi
10.1038/srep17088subject
Has Abstractpub_date
2015-11-26 00:00:00pages
17088issn
2045-2322pii
srep17088journal_volume
5pub_type
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